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沼氣脫硫方法的三種比較？

　　沼氣脫硫 -三、干法、濕法、生物脫硫的比較

　　Biogas desulfurization - Comparison of dry, wet and biological desulfurization
　　1.干法脫硫的特點
　　1. Characteristics of dry desulfurization
　?、俳Y構簡單，使用方便。
　　① The structure is simple and easy to use.
　?、诠ぷ鬟^程中無需人員值守，定期換料，一用一備，交替運行。
　?、?In the process of operation, there is no need for one on duty.
　?、勖摿蚵市略蠒r較高，后期有所降低。
　?、?The desulfurization rate of new raw materials was higher than that of new raw materials, but decreased in the later stage.
　　④與濕式相比，需要定期換料。
　?、?Periodic refuelling is required compared to wet.
　　⑤運行費用偏高。
　　⑤ The operation cost is high.
              生物脫硫
　　2.濕法脫硫的特點
　　2. Characteristics of wet desulfurization
　?、僭O備可長期不停的運行，連續(xù)進行脫硫。
　　① The equipment can operate continuously for a long time.
　?、谟肞H值來保持脫硫效率，運行費用低。
　　② Using pH value to keep desulfurization efficiency is low.
　?、酃に噺碗s需要專人值守。
　?、?The process is complex and requires special personnel on duty.
　?、茉O備需保養(yǎng)。
　　④ The equipment needs maintenance.
　　3.生物脫硫的特點
　　3. Characteristics of biological desulfurization
　?、俨恍璐呋瘎┖脱趸瘎?空氣除外)。
　?、?No catalyst and oxidant (except air) is required.
　　②不需處理化學污泥。
　　② There is no need to treat chemical sludge.
　?、郛a(chǎn)生很少生物污染，低能耗，回收硫，效率高，無臭味。
　?、?It produces little biological pollution, low energy consumption, sulfur recovery, high efficiency and no odor.
　?、苋秉c是過程不易控制，條件要求苛刻等。
　?、?The disadvantages are that the process is not easy to control and the conditions are demanding.
　　脫硫劑怎樣進行再生？
　　How to regenerate desulfurizer?
　　脫硫劑再生的方法是：將失去活性的脫硫劑取出，均勻疏松地攤放在平整、干凈、背陽、通風的場地，經(jīng)常翻動脫硫劑，使其與空氣充分接觸，氧化再生。
　　The regeneration method of desulfurizer is as follows: take out the deactivated desulfurizer, spread it evenly and loosely in a flat, clean, sunny and ventilated place, and often turn the desulfurizer to make it fully contact with the air for oxidation regeneration.
　　沼氣脫硫 - 脫硫技術特點：
　　Characteristics of biogas desulfurization desulfurization technology:
　　1、天然氣凈度可根據(jù)實際需要調(diào)節(jié)，可以平穩(wěn)的控制煤氣中的H2S的含量。
　　1. The purity of natural gas can be adjusted according to the actual needs, and the content of H2S in the gas can be controlled smoothly.
　　2、與干法脫硫相比，雖然投資是干法脫硫的2-3倍，但是運行成本低，1000Nm?實際脫硫費用為4元左右，避免了干式脫硫系統(tǒng)因脫硫劑再生后脫硫效果差及硫的吸附等原因而導致的生產(chǎn)成本增加的問題。
　　2. Compared with dry desulfurization, although the investment is 2-3 times of that of dry desulfurization, the operation cost is low. The actual desulfurization cost of 1000nm? Is about 4 yuan, which avoids the production cost increase of dry desulfurization system due to poor desulfurization effect after regeneration of desulfurizer and sulfur adsorption.
　　3、具有操作穩(wěn)定、運行，脫硫效率高的特點。脫硫效率可達到97%以上,脫硫后煤氣中H2S含量<50mg/Nm3。
　　3. It has the characteristics of stable operation, safe operation and high desulfurization efficiency. The desulfurization efficiency can reach more than 97%, and the content of H2S in the gas after desulfurization is less than 50mg / Nm3.
　　4、如果脫硫催化劑是PDS或’888’,不但能脫除H2S而且能脫煤氣中占總硫含硫10%左右的部分有機硫。
　　4. If the desulfurization catalyst is PDS or '888', not only H2S can be removed, but also some organic sulfur which accounts for about 10% of the total sulfur in the gas can be removed.
　　濕法天然氣脫硫技術適用范圍：
　　Application scope of wet natural gas desulfurization technology:
　　適用于各種煤氣、沼氣和天然氣的脫硫(H2S)。
　　It is suitable for desulfurization (H2S) of gas, biogas and natural gas.

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